Guides
Guides and how-tos
Practical guides for the things BTL makes, and the problems they solve.
- How to set up an NFC keychain
Write a link to your keychain's NFC chip in a minute, whether to lock it, and ideas for what to put on it. - How to sprout alfalfa in a mason jar
Day-by-day steps for fresh alfalfa sprouts in about 4 days, plus how to avoid mold and bad smells. - QR codes that never expire: static vs dynamic
Why some QR codes stop working, how to make one that lasts forever, and tips for stickers that scan every time. - The best way to carry SD and microSD cards
Never get caught without a card: cases, wallets and keychains compared, plus habits that save your footage.